Open AccessTsunami‐induced phase and amplitude perturbations of subionospheric VLF signals
Author(s) -
Rozhnoi A.,
Shalimov S.,
Solovieva M.,
Levin B.,
Hayakawa M.,
Walker S.
Publication year - 2012
Publication title -
journal of geophysical research: space physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.67
H-Index - 298
eISSN - 2156-2202
pISSN - 0148-0227
DOI - 10.1029/2012ja017761
Subject(s) - ionosphere , amplitude , geophysics , phase (matter) , geology , very low frequency , physics , seismology , astronomy , optics , quantum mechanics
A network of VLF receivers, sited in the Far East, has been used to observe the response of the lower ionosphere to tsunamis resulting from the November 15, 2006 (Kuril region) and the March 11, 2011 (Tohoku region) earthquakes. Specific perturbations in the phase and amplitude of VLF signals have been found for both cases. A qualitative interpretation of the observed effects is suggested in terms of the interaction of internal gravity waves with lower ionosphere.